Center - C

What is Center - C?

A defensive player who lines up in the middle of the defensive
line in front of the quarterback and is responsible for snapping
the ball to the quarterback each play. Centers will often also be
responsible for any line adjustments required depending on what the
defense is showing and will take on blocking assignments after the
snap.

Sporting Charts explains Center - C

For centers, it's vital that they get the snap off cleanly to
the quarterback so as to start the offensive play without issue.
Their blocking assignments vary depending on whether it is a run
play or a passing play.